.main {
    background: aliceblue;
    padding: 1em;
}

.main span{
    background: antiquewhite;
    height: 500px;
    width: 300px;
}

.blockMain {
    border: 5px lavender double;
}

.blockMain div {
    background: bisque;
}

.blockMain * {
    border: 1px solid saddlebrown;
    width: 220px;
}

